Electric Charge conversion

Convert Millicoulomb to Ampere-hour

1 millicoulomb (mC) equals 0.000000277778 ampere-hour (Ah). Enter any value below to convert from mC to Ah.

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1 mC = 0.0000002778 Ah

All Charge units

From 1 mC
UnitValue
Nanocoulomb nC 1,000,000
Microcoulomb μC 1,000
Millicoulomb mC 1
Coulomb C 0.001
Milliampere-hour mAh 0.0002777778
Ampere-hour Ah 0.0000002778
Elementary charge e 6.2415090745e15
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Formula

mC to Ah conversion formula

Use this relationship for a direct conversion:

Ah = mC x 0.000000277778

Worked example

2 mC = 0.0000005556 Ah.

Ampere-hour relationships and the elementary charge value are exact.

Quick reference

Millicoulomb to Ampere-hour table

Millicoulomb (mC)Ampere-hour (Ah)
0.010.0000000028
0.10.0000000278
10.0000002778
20.0000005556
50.0000013889
100.0000027778
250.0000069444
500.0000138889
1000.0000277778
1,0000.0002777778

From unit

About the millicoulomb

One thousandth of a coulomb.

Symbol: mC

To unit

About the ampere-hour

Charge from one ampere sustained for one hour.

Symbol: Ah

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Source

Conversion standard

Definitions are checked against BIPM SI Brochure: coulomb and elementary charge. Calculations use full internal precision before display rounding.

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Questions

mC to Ah FAQ

How do you convert millicoulomb to ampere-hour?

Use the formula Ah = mC x 0.000000277778. 1 millicoulomb (mC) equals 0.000000277778 ampere-hour (Ah).

Is the mC to Ah conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.